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Ion pumps definition
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Ion pumps enable ions to flow through membranes in a thermodynamically uphill direction by the use of an energy source such as ATP or light. They consist of sugar-containing hetero-peptide assemblies, which open and close upon the binding and subsequent hydrolysis of ATP, usually transporting more than one ion towards the outside or the inside of the membrane. See also ion channel.

See also:
intramolecular forces definition
Insoluble Compound definition
ion-exchange resin definition
ion-dipole forces definition
ion permeation definition
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